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852118645 = 5725196997
BaseRepresentation
bin110010110010100…
…100110001110101
32012101102010000211
4302302210301311
53221120244040
6220315505421
730054613630
oct6262446165
92171363024
10852118645
113a7aa9394
121b9458271
13107700721
1481254c17
154ec1e8ea
hex32ca4c75

852118645 has 16 divisors (see below), whose sum is σ = 1173287808. Its totient is φ = 581976000.

The previous prime is 852118643. The next prime is 852118661. The reversal of 852118645 is 546811258.

It is a happy number.

852118645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 852118645 - 21 = 852118643 is a prime.

It is a super-2 number, since 2×8521186452 = 1452212370313272050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 852118598 and 852118607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852118643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39714 + ... + 57283.

It is an arithmetic number, because the mean of its divisors is an integer number (73330488).

Almost surely, 2852118645 is an apocalyptic number.

It is an amenable number.

852118645 is a deficient number, since it is larger than the sum of its proper divisors (321169163).

852118645 is a wasteful number, since it uses less digits than its factorization.

852118645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97260.

The product of its digits is 76800, while the sum is 40.

The square root of 852118645 is about 29191.0713232660. The cubic root of 852118645 is about 948.0546136500.

The spelling of 852118645 in words is "eight hundred fifty-two million, one hundred eighteen thousand, six hundred forty-five".

Divisors: 1 5 7 35 251 1255 1757 8785 96997 484985 678979 3394895 24346247 121731235 170423729 852118645